OFFSET
1,1
COMMENTS
Column 3 of A200974
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..27
EXAMPLE
Some solutions for n=4
..0..0..3....0..0..2....0..0..4....0..0..2....0..0..1....0..0..0....0..0..1
..0..3..4....0..0..4....0..3..4....0..0..3....0..0..4....0..0..4....0..0..1
..0..3..6....3..6..5....0..3..6....0..4..6....0..4..4....0..5..5....0..5..5
..2..4..5....6..6..6....4..6..5....0..6..6....5..5..6....3..3..4....2..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 25 2011
STATUS
approved